†Tarrantoceras (Tarrantoceras) Stephenson 1955 (ammonite)
Cephalopoda - Ammonitida - Acanthoceratidae
Full reference: L. W. Stephenson. 1955. Basal Eagle Ford fauna (Cenomanian) in Johnson and Tarrant Counties, Texas. United States Geological Survey Professional Paper 274-C:53-67
Parent taxon: Tarrantoceras according to C. W. Wright et al. 1996
See also Stephenson 1955
Sister taxa: Tarrantoceras (Sumitomoceras), Tarrantoceras cuspidum, Tarrantoceras exile, Tarrantoceras flexicostatum, Tarrantoceras sellardsi
Subtaxa: none
Ecology: fast-moving nektonic carnivore
Distribution: there are no occurrences of Tarrantoceras (Tarrantoceras) in the database